Antoninus Pius. AR Denarius, 17mm; 3.29g. AD 144. 

ANTONINVS AVG PIVS PP, laureate head right.
COS III DES IIII Virtus, helmeted, in military dress, 
standing half left, holding vertical spear reversed and 
parazonium.

RIC 118; BMCRE IV 505; RSC 186.

With permission of cngcoins.com, the AK Collection.